David Rowley wrote:
It's not 100% certain that it will be possible for 8.4, probably though. select row_number() over (order by employeeid) as nrow,* from employee order by employeeid
That makes sense, thanks. So extracting rate-of-change etc. would be a join on two subselects followed by a bit of maths, that's likely to be a big incentive for an upgrade when it comes out.
-- Mark Morgan Lloyd markMLl .AT. telemetry.co .DOT. uk [Opinions above are the author's, not those of his employers or colleagues] -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general